GB0617004D0 - Synchronising base stations - Google Patents

Synchronising base stations

Info

Publication number
GB0617004D0
GB0617004D0 GBGB0617004.7A GB0617004A GB0617004D0 GB 0617004 D0 GB0617004 D0 GB 0617004D0 GB 0617004 A GB0617004 A GB 0617004A GB 0617004 D0 GB0617004 D0 GB 0617004D0
Authority
GB
United Kingdom
Prior art keywords
base stations
synchronising base
synchronising
stations
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GBGB0617004.7A
Other versions
GB2441372A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ubiquisys Ltd
Original Assignee
Ubiquisys Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ubiquisys Ltd filed Critical Ubiquisys Ltd
Priority to GB0617004A priority Critical patent/GB2441372A/en
Publication of GB0617004D0 publication Critical patent/GB0617004D0/en
Priority to GB0702089A priority patent/GB2441375B/en
Priority to US11/801,420 priority patent/US8565823B2/en
Priority to US11/897,006 priority patent/US20080075061A1/en
Priority to PCT/GB2007/003261 priority patent/WO2008025978A1/en
Publication of GB2441372A publication Critical patent/GB2441372A/en
Priority to US12/774,655 priority patent/US8041393B2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2687—Inter base stations synchronisation
    • H04B7/2693—Centralised synchronisation, i.e. using external universal time reference, e.g. by using a global positioning system [GPS] or by distributing time reference over the wireline network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB0617004A 2006-08-29 2006-08-29 Syncronising basestations Withdrawn GB2441372A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0617004A GB2441372A (en) 2006-08-29 2006-08-29 Syncronising basestations
GB0702089A GB2441375B (en) 2006-08-29 2007-02-02 Basestation for cellular communication system
US11/801,420 US8565823B2 (en) 2006-08-29 2007-05-08 Basestation for cellular communication system
US11/897,006 US20080075061A1 (en) 2006-08-29 2007-08-27 Synchronising base stations
PCT/GB2007/003261 WO2008025978A1 (en) 2006-08-29 2007-08-28 Synchronising base stations
US12/774,655 US8041393B2 (en) 2006-08-29 2010-05-05 Basestation for cellular communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0617004A GB2441372A (en) 2006-08-29 2006-08-29 Syncronising basestations

Publications (2)

Publication Number Publication Date
GB0617004D0 true GB0617004D0 (en) 2006-10-11
GB2441372A GB2441372A (en) 2008-03-05

Family

ID=37136975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0617004A Withdrawn GB2441372A (en) 2006-08-29 2006-08-29 Syncronising basestations

Country Status (3)

Country Link
US (1) US20080075061A1 (en)
GB (1) GB2441372A (en)
WO (1) WO2008025978A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8667318B2 (en) * 2007-05-14 2014-03-04 Picongen Wireless, Inc. Method and apparatus for wireless clock regeneration
GB2450680B (en) * 2007-06-22 2012-05-30 Ubiquisys Ltd Controlling timing of synchronization updates
US20090097452A1 (en) * 2007-10-12 2009-04-16 Qualcomm Incorporated Femto cell synchronization and pilot search methodology
US20100029295A1 (en) * 2008-07-31 2010-02-04 Assaf Touboul Gps synchronization method for wireless cellular networks
US8160491B2 (en) 2008-07-31 2012-04-17 Designart Networks Ltd GPS synchronization method for mobile wireless networks
GB2463074B (en) * 2008-09-02 2010-12-22 Ip Access Ltd Communication unit and method for selective frequency synchronisation in a cellular communication network
US20100054237A1 (en) * 2008-09-04 2010-03-04 Motorola, Inc. Synchronization for femto-cell base stations
JP5035425B2 (en) * 2008-10-24 2012-09-26 日本電気株式会社 Radio base station, radio access network, communication control circuit, communication control program, and communication control method
US8068430B2 (en) 2008-11-03 2011-11-29 Rad Data Communications Ltd. High quality timing distribution over DSL without NTR support
CN101431795B (en) * 2008-11-29 2012-10-10 中兴通讯股份有限公司 Time synchronization method and apparatus
US8699453B2 (en) * 2009-02-02 2014-04-15 Qualcomm Incorporated Reuse of RF receive chain for hand-in assistance
US9225620B2 (en) * 2009-02-25 2015-12-29 Eden Rock Communications, Llc Systems and methods for self-optimization in wireless base stations by detection of interference at the edge of a received radio frequency band
CN101841904B (en) * 2009-03-20 2014-03-12 中兴通讯股份有限公司 Null interface synchronization method and system of home node base station
GB2469309B (en) * 2009-04-08 2011-02-23 Ip Access Ltd Communication unit and method for frequency synchronising in a cellular communication network
GB2469676B (en) 2009-04-23 2011-11-30 Percello Ltd Femtocell handset assisted clock correction
EP2446586B1 (en) 2009-06-26 2014-01-15 Telefonaktiebolaget L M Ericsson (PUBL) Detection of jitter in a communication network
US20120120874A1 (en) * 2010-11-15 2012-05-17 Decawave Limited Wireless access point clock synchronization system
JP5926371B2 (en) * 2011-04-26 2016-05-25 テレフオンアクチーボラゲット エルエム エリクソン（パブル） Base station synchronization
EP3437211A4 (en) * 2015-03-30 2019-09-04 Nokia Solutions and Networks Oy System and method for event synchronization in wireless networks
CN114286410A (en) * 2021-12-31 2022-04-05 南京国博电子股份有限公司 Base station switching method based on train position and driving direction
CN116248201B (en) * 2023-03-15 2023-08-22 北京中微普业科技有限公司 0dB amplitude adjusting circuit supporting FDD and TDD modes simultaneously

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE513449C2 (en) * 1995-03-15 2000-09-18 Telia Ab Procedure for radio synchronization of DECT systems
US5945944A (en) * 1996-03-08 1999-08-31 Snaptrack, Inc. Method and apparatus for determining time for GPS receivers
US5970107A (en) * 1998-01-06 1999-10-19 Maker Communications, Inc. Synchronous residual time stamp service clock regenerator phase locked loop phase comparator and loop filter
DE60041470D1 (en) * 1999-05-11 2009-03-19 Canon Kk Method and apparatus for synchronization between two networks
US20030012158A1 (en) * 2001-01-25 2003-01-16 Hang Jin System and method for synchronizing a base station in a distributed radio system
US7043651B2 (en) * 2001-09-18 2006-05-09 Nortel Networks Limited Technique for synchronizing clocks in a network
KR100401199B1 (en) * 2001-09-27 2003-10-10 삼성전자주식회사 Signal supply apparatus for public and private mobile communication system
US6975877B1 (en) * 2001-10-17 2005-12-13 Cisco Technology, Inc. System and method for synchronizing clock dividers in a wireless network
US6639957B2 (en) * 2002-02-14 2003-10-28 Itron, Inc. Method and system for calibrating an oscillator circuit using a network based time reference
ATE371308T1 (en) * 2002-11-29 2007-09-15 Siemens Spa Italiana SYNCHRONIZATION OF BASE STATIONS IN A CELLULAR COMMUNICATIONS SYSTEM
US7415044B2 (en) * 2003-08-22 2008-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Remote synchronization in packet-switched networks
FR2864389B1 (en) * 2003-12-23 2006-03-03 Eads Telecom METHOD FOR SYNCHRONIZATION ON THE RUNWAY OF A SIMULCAST NETWORK

Also Published As

Publication number Publication date
GB2441372A (en) 2008-03-05
WO2008025978A1 (en) 2008-03-06
US20080075061A1 (en) 2008-03-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190503 AND 20190508